SeyReishJayA SeyReishJayA
  • 25-11-2016
  • Mathematics
contestada

Solve the inequality.

|r + 3| ≥ 7

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Lajoliefille
Lajoliefille Lajoliefille
  • 25-11-2016
r+3>7
-3 -3
r>4
just write it right I couldn't find the same sign
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MissPhiladelphia
MissPhiladelphia MissPhiladelphia
  • 27-11-2016
Solve the equation just like you for any ordinary equation. Leave the inequality sign as it should be and transpose like terms.

r + 3 ≥ 7
r ≥ 7 - 3
r ≥ 4

Thus, the value of r must be less than or equal to 4. Its range would be (-∞, 4]. 

I hope I was able to explain it clearly. Have a good day.
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